PE3427

0 Introduction With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]

1 Introduction There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]

Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]

Continuity test A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]

With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]

The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]

Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]

IntroductionLED billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]

1 Introduction With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]

introduction This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]

Since the emergence of electronic system noise reduction technology in the mid-1970s, the Federal Communications Commission of the United States in 1990 and the European Union in 1992 proposed regu...[Details]

Binary translation is a technology that directly translates executable binary programs, and can translate binary programs on one processor to execute on another processor. It makes it easy to...[Details]

Usually, indoor lighting is controlled by a switch button. This article introduces a self-controlled lighting circuit, which does not require manual operation, is energy-saving and convenient, and is ...[Details]

1. Project Overview: Changan Automobile Manufacturing Plant could produce 6 types of cars, with an annual output of about 80,000 vehicles. Its assembly line was manufactured in the late 19...[Details]

FSP107-2PS01 two-in-one power supply assembly is mainly used with LG 26-inch screens to directly drive CCFL lamps, as shown in Figure 1. If used with screens from other manufacturers (such as Sams...[Details]